vm_placement_problem_result<TraitsT> make_vm_placement_problem_result(ProblemDescrT problem_descr, ProblemResultT problem_res)
{
typedef TraitsT traits_type;
typedef vm_placement_problem_result<traits_type> result_type;
typedef typename result_type::real_type real_type;
typedef typename result_type::resource_share_container resource_share_container;
typedef typename result_type::physical_machine_identifier_type physical_machine_identifier_type;
typedef typename result_type::virtual_machine_identifier_type virtual_machine_identifier_type;
result_type res;
res.cost(problem_res.cost());
typename ProblemResultT::smallint_matrix_type placement_flags(problem_res.virtual_machine_placement());
typename ProblemResultT::real_matrix_type placement_shares(problem_res.virtual_machine_shares());
::std::size_t npm(::boost::numeric::ublasx::num_rows(placement_flags));
::std::size_t nvm(::boost::numeric::ublasx::num_columns(placement_flags));
for (::std::size_t i = 0; i < npm; ++i)
{
physical_machine_identifier_type pm_id(problem_descr.pm_ids[i]);
real_type share_sum(0); // Normalization factor
for (::std::size_t k = 0; k < 2; ++k)
{
for (::std::size_t j = 0; j < nvm; ++j)
{
if (placement_flags(i,j))
{
if (k == 0)
{
share_sum += placement_shares(i,j);
}
else
{
virtual_machine_identifier_type vm_id(problem_descr.vm_ids[j]);
real_type share(placement_shares(i,j));
if (share_sum > 1)
{
share /= share_sum;
}
//FIXME: CPU resource category is hard-coded.
resource_share_container shares(1, ::std::make_pair(cpu_resource_category, share));
res.placement()[::std::make_pair(pm_id, vm_id)] = shares;
}
}
}
}
}
return res;
}
QIcon Utils::getIcon(const QString & fileName)
{
QPixmap pm;
if (! QPixmapCache::find(fileName, &pm))
{
QPixmap npm(QString(ICON_DIR) + "/" + fileName);
QPixmapCache::insert(fileName, npm);
return npm;
}
return pm;
}